Latest Fortigate Firmware May 2026

The Importance of Keeping Up-to-Date with the Latest FortiGate Firmware

• CVE-2024-23113 (Score 9.8): Format string vulnerability in FGFM (FortiGate to FortiManager) interface. Fixed in 7.4.4, 7.2.8, and 7.0.12.
• CVE-2023-45590 (Score 8.2): SSL VPN brute-force amplification. Mitigated in 7.4.2+ and 7.2.6+.
• CVE-2024-21762 (Score 9.6): Out-of-bounds write in SSL VPN. Fixed in 7.2.7, 7.4.3, and 7.6.0.

If you want, I can produce: a) an upgrade playbook tailored to your FortiGate models; b) a 1‑page pre-upgrade checklist you can print; or c) a staged rollout schedule with exact test steps. Which do you prefer?

• Use the upgrade as an opportunity to remove legacy rules, tighten access, and confirm logging levels and retention meet incident response needs.

FortiNAC-like visibility

This feature combines , FortiAI analysis , and Firewall Policy enforcement into a single dynamic engine. It creates a "Behavioral Fingerprint" for every device, not just a signature. latest fortigate firmware

The most interesting post right now is about FortiOS 7.6.1 (and the 7.6 branch generally).

Pre-Upgrade Checklist:

New firmware often includes "under the hood" optimizations for Fortinet’s custom SPU (Security Processing Unit) chips. This means your hardware can often process more traffic with lower latency simply by running more efficient code. Key Features in the Current Release Cycle (FortiOS 7.4.x) The Importance of Keeping Up-to-Date with the Latest